Backpack



FIG. 1 is a rear plan view of a backpack showing my new ornamentaldesign in a first state, comprising an insert portion that is configuredto be received by a clear sleeve portion of a backpack included in thebackpack;

FIG. 2 is a rear plan view thereof in a second state, comprising theinsert portion having been received by the clear sleeve portion of thebackpack;

FIG. 3 is a front plan view thereof in the first state or the secondstate;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top elevation view thereof;

FIG. 7 is a bottom elevation view; and,

FIG. 8 is a perspective view of the backpack in the second state.

The process or period in which one state transitions to another stateforms no part of the claimed design.

The broken lines on claimed surfaces, shown inside of solid lines,depict portions of the article and form no part of the claim. Thesurfaces inside of these broken lines form no part of the claim. Thesurfaces inside solid lines and adjacent broken lines are claimed.

CLAIM The ornamental design for a backpack, as shown and described.